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Statistics and Data Analysis
Guess these terms and concepts in quantitative data analysis.
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Islandcarver
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Last updated: February 5, 2019
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First submitted
February 5, 2019
Times taken
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Hint
Answer
The average value in a data set
Mean
Greek letter symbolizing the above
Mu
The most frequent value in a data set
Mode
The value of the 50th percentile in a data set
Median
An unusually large or small value
Outlier
Measure of variation of a set of data values
Standard deviation
Greek letter symbolizing the above
Sigma
Measure of the degree of asymmetry around the mean of a data distribution
Skewness
Each 25% of a data distribution
Quartile
Examines the size of the peak and the tails of a data distribution
Kurtosis
Hint
Answer
A subset of data taken from a population
Sample
Assumption about the relation among error terms in statistical analysis
Independence
A parameter of association between two variables
Correlation
Data distribution that is bellshaped
Normal
Data distribution with two peaks
Bimodal
Letter used to denote standard/normalized scores
z
Band of variation around a parameter estimate
Confidence Interval
Unexplained variance in a regression equation
Error
The hypothesis to be rejected in a statistical test
Null hypothesis
Indicator of statistical significance of a test
pvalue
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